DU3 Lumbar Yang Pass

Reviewed by · Licensed Acupuncturist & TCM Physician · Last reviewed June 2026

DU3 (Yaoyangguan, “Lumbar Yang Pass”) is an acupuncture point on the Governing Vessel Meridian. It is located on the lower back, on the posterior midline, in the depression below the spinous process of the 16th vertebra (L4). It benefits the lumbar spine and legs, dispels cold-damp.

Location

On the lower back, on the posterior midline, in the depression below the spinous process of the 16th vertebra (L4).

Needling

Perpendicular insertion 0.5-1 cun. Caution for spinal cord injury.

⚠ Spinal cord deep to this point: oblique/limited depth; never deep perpendicular at the midline.

TCM functions

Benefits the lumbar spine and legs, dispels cold-damp.

Indications

Low back pain, sciatica, paralysis of lower extremities, irregular menstruation.

Clinical notes

DU3, the 'Lumbar Yang Pass,' is a primary point for benefiting the lumbar spine and legs, making it highly effective for lower back pain, stiffness, and sciatica. It is particularly useful for dispelling cold-damp from the lower back and legs, addressing conditions exacerbated by cold or damp weather. Its action on the Governing Vessel also supports the overall Yang energy of the lower body, aiding in mobility and reducing pain.

On the Governing Vessel channel

DU3 is one of 28 points on the Governing Vessel Meridian. Nearby points:

Frequently asked questions

Where is DU3 located?

DU3 (Yaoyangguan) is located on the lower back, on the posterior midline, in the depression below the spinous process of the 16th vertebra (L4).

What is DU3 used for?

DU3 benefits the lumbar spine and legs, dispels cold-damp. Common clinical indications include low back pain, sciatica, paralysis of lower extremities, irregular menstruation.

How is DU3 needled?

Perpendicular insertion 0.5-1 cun. Caution for spinal cord injury. Caution: ⚠ Spinal cord deep to this point: oblique/limited depth; never deep perpendicular at the midline.

Which meridian is DU3 on?

DU3 is a point on the Governing Vessel Meridian (Dū Mài).

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⚠️ This page is for general education and is not medical advice. Acupuncture is a traditional practice; evidence varies by condition and study quality, and individual results differ. It does not replace diagnosis or treatment by a licensed professional. Always consult a qualified acupuncturist or physician.